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087ed84367
* Optimize map { ... }.compact
using Enumerable#filter_map, supported since Ruby 2.7
* Add poyfill for Enumerable#filter_map
27 lines
545 B
Ruby
27 lines
545 B
Ruby
# frozen_string_literal: true
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module Enumerable
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# TODO: Remove this once stop to support Ruby 2.6
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if RUBY_VERSION < '2.7.0'
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def filter_map
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if block_given?
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result = []
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each do |element|
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res = yield element
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result << res if res
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end
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result
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else
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Enumerator.new do |yielder|
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result = []
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each do |element|
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res = yielder.yield element
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result << res if res
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end
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result
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end
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end
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end
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end
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end
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